#!/bin/bash

if [ "$#" -eq 0 ]; then
    echo "Supply PREFIX for building pico_defines.h"
    exit 1
fi

PREFIX=$1
shift
echo "/* PicoTCP - Definition file - DO NOT EDIT */" >$PREFIX/include/pico_defines.h
echo "/* This file is automatically generated at compile time */" >>$PREFIX/include/pico_defines.h
echo "#ifndef PICO_DEFINES_H" >>$PREFIX/include/pico_defines.h
echo "#define PICO_DEFINES_H" >>$PREFIX/include/pico_defines.h
echo  >>$PREFIX/include/pico_defines.h

for i in $@; do
    if (echo $i | grep "^-D" |grep PICO_SUPPORT >/dev/null); then
        my_def=`echo $i |sed -e "s/-D//g"`
        echo "#define $my_def" >> $PREFIX/include/pico_defines.h
    fi
done
echo "#endif" >>$PREFIX/include/pico_defines.h